If you go to http://army.com/info/basic-training, you can learn more about basic training. There are also links on that page to the various posts that have BCT courses so you can learn more about where you might be headed.

Contact an Army Recruiter. There may be some benefits available for nursing students. Maybe the college you'll attend might have an ROTC program where you can get scholarships & other benefits as a Nurse Cadet.